package SingleObject;

//单例模式
//SingleObject.java
public class SingleObject{
    //创建SingleObject的一个对象
    private static SingleObject instance = new SingleObject();

    //让构造函数为private,这样该类就不会被实例化
    private SingleObject(){}

    //获取唯一可用的对象
    public static SingleObject getInstance(){
        return instance;
    }

    public void showMessage() {
        System.out.println("hello");

    }
}
